Ferropericlase
(Mg0.25Fe0.75)O
third-order Birch-Murnaghan · Original · 2017
V₀
78.082
ų
Unit cell
K₀
151.300
GPa
Isothermal
K′
5.600
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 78.082 | ų | Unit cell | — |
Reported value and unit are preserved as extracted. Z (formula units per cell) is not stored yet, so molar ↔ ų/f.u. conversion is not applied automatically.
Composition
| Oxide | Molar |
|---|---|
| MgO | 0.25 |
| FeO | 0.75 |
Formula: (Mg0.25Fe0.75)O
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)single-crystal X-ray diffraction (SXRD), 4:1 methanol-ethanol medium
- Sample
- single crystal in 4:1 methanol-ethanol (data from Jacobsen 2002, re-fit in this study)
Source
- Paper
- Single-crystal equations of state of magnesiowüstite at high pressures
- Authors
- Gregory J. Finkelstein; Jennifer M. Jackson; W. Sturhahn; Dongzhou Zhang; E. Ercan; T. S. Toellner
- DOI
- 10.2138/am-2017-5966
- Year
- 2017
- Journal
- American Mineralogist
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 3: Jacobsen et al. (2002), (Mg0.25Fe0.75)O, 4:1 Meth-Eth, SXRD, 0-7.2 GPa, V0 = 78.082(3) Å3, K0T = 151.3(7) GPa, K'0T = 5.6(2).
Additional notes
P range GPa
0-7.2
data source
Jacobsen (2002)